<template>
  <layout>
    <uv-navbar
        :fixed="false"
        :title="title"
        left-arrow
        @leftClick="goBack"
    />
    <div v-if="orderInfoData">
      <div class="mb-20 ">
        <card
            v-for="(item, index) in goodsList"
            class="p-20">
          <Goods
              row
              imgWidth="200rpx"
              info-padding="10rpx 40rpx"
              :goods="item.cartInfo.productInfo"
          >
            <template #options>
              <view class="goods-options">
                <!-- sku select -->
                <view class="sku-row flex">
                  <view
                      class="sku-info flex flex-jc__sb flex-ai__center"
                  >
                    <view class="info">
                      {{
                        item.cartInfo.productInfo && item.cartInfo.productInfo.attrInfo && item.cartInfo.productInfo.attrInfo.sku
                      }}
                    </view>
                  </view>
                </view>
                <!-- bottom -->
                <view class="price-row flex flex-ai__center flex-jc__sb">
                  <!-- price -->
                  <view class="price-box flex flex-ai__end">
                    ￥{{ item.cartInfo.truePrice }}
                  </view>
                  <view
                      class="cart-num flex flex-ai__center"
                      @click.stop>
                    <view
                        class="button"
                        @click="setCartNum(item,index,0)">-
                    </view>
                    <view class="input">
                      <input
                          type="text"
                          v-model="goodsCartNumList[index]"
                          @blur="(e)=>changeCartNumInput(e,item,index)" />
                    </view>
                    <view
                        class="button"
                        @click="setCartNum(item,index,1)">+
                    </view>
                  </view>
                </view>
              </view>
            </template>
          </Goods>
        </card>
      </div>

      <view class="y-list">
        <uv-list border>
          <uv-list-item
              border
              title="货物状态"
              clickable
              right-text="请选择"
              show-arrow
              v-if="refundType === 1"
          >
            <view class="y-list-content">
              <view class="y-list-label">货物状态</view>
              <view
                  class="y-list-select-placeholder"
                  @tap="openReceivingStatusPicker"
                  v-if="!data.receivingStatus"
              >
                请选择
              </view>
              <view
                  class="y-list-select"
                  @tap="openReceivingStatusPicker"
                  v-if="data.receivingStatus"
              >
                {{ data.receivingStatus }}
              </view>
            </view>
            <uv-picker
                ref="receivingStatusPicker"
                :columns="receivingStatusClumns"
                @confirm="receivingStatusConfirm"
            ></uv-picker>
          </uv-list-item>
          <uv-list-item
              border
              title="退款原因"
              clickable
              right-text="请选择"
              show-arrow
              @click=""
          >
            <view class="y-list-content">
              <view class="y-list-label">退款原因</view>
              <view
                  class="y-list-select-placeholder"
                  @tap="openReasonForApplicationPicker"
                  v-if="!data.reasonForApplication"
              >
                请选择
              </view>
              <view
                  class="y-list-select"
                  @tap="openReasonForApplicationPicker"
                  v-if="data.reasonForApplication"
              >
                {{ data.reasonForApplication }}
              </view>
            </view>
          </uv-list-item>
        </uv-list>
        <uv-picker
            ref="reasonForApplicationPicker"
            :columns="reasonForApplication"
            @confirm="reasonForApplicationConfirm"
        ></uv-picker>
      </view>
      <view class="y-list">
        <uv-list border>
          <uv-list-item border>
            <view class="y-list-content">
              <view class="y-list-label">退款金额</view>
              <view class="y-list-value">
                ¥{{ totalPrice }}
              </view>
            </view>
          </uv-list-item>
          <uv-list-item border>
            <view class="y-list-content">
              <view class="y-list-label">退款积分</view>
              <view class="y-list-value">
                {{ totalIntegral }}
              </view>
            </view>
          </uv-list-item>
          <uv-list-item border>
            <view class="y-list-content">
              <view class="y-list-label">申请说明</view>
              <view class="y-list-input">
                <uv-input
                    placeholder="请输入内容"
                    border="none"
                    v-model="data.applicationInstructions"
                ></uv-input>
              </view>
            </view>
          </uv-list-item>
        </uv-list>
      </view>
      <view class="card noBorder full">
        <view class="card-head">
          <div class="card-title">上传凭证</div>
        </view>
        <view class="card-content">
          <upload-file v-model="list" />
        </view>
      </view>

    </div>
    <div class="form-buttons">
      <uv-button
          round
          block
          type="primary"
          @tap="handleApplyForAfterSales"
      >
        提交
      </uv-button>
    </div>
  </layout>
</template>

<script setup>

import { computed, ref } from 'vue'
import { applyForAfterSales, applyForAfterSalesInfo } from '@/api/order'
import { onLoad } from '@dcloudio/uni-app'
import { useRouter } from "@/hooks/useRouter";
import { useInterface } from "@/hooks/useInterface";
import Goods from "@/components/goodsComponents/Goods.vue";


const {toast} = useInterface()
const {getParams, goBack, push} = useRouter()
const goodsList = ref([])
const goodsSelect = ref([])
const totalPrice = ref(0);
const totalIntegral = ref(0)
const orderInfoData = ref(null)
const reasonForApplicationPicker = ref(null)
const receivingStatusPicker = ref(null)

const refundType = ref(null)
const list = ref([])
const receivingStatusClumns = ref([[
  '未收到货',
  '已收到货'
]])
const reasonForApplication = ref([
  [
    "收货地址填错了",
    "与描述不符",
    "信息填错了，重新拍",
    "收到商品损坏了",
    "未按预定时间发货",
    "其它原因"
  ]
])

const data = ref({
  "orderId": "",
  // 服务类型 0仅退款1退货退款 serviceType;
  "serviceType": '',
  // 申请原因
  "reasonForApplication": "",
  // 申请说明
  "applicationInstructions": "",
  // 申请说明图片
  "applicationDescriptionPicture": "",
  "productParamList": [],
  receivingStatus: null
})


const title = computed(() => {
  return refundType.value === 0 ? `申请退款` : '申请退货退款';
});

// 打开退款原因窗口
const openReasonForApplicationPicker = () => {
  reasonForApplicationPicker.value.open();
}

// 退款原因窗口确认
const reasonForApplicationConfirm = (e) => {
  data.value.reasonForApplication = e.value[0]
  reasonForApplicationPicker.value.close();
}

// 打开货物状态窗口
const openReceivingStatusPicker = () => {
  receivingStatusPicker.value.open();
}

// 货物状态窗口确认
const receivingStatusConfirm = (e) => {
  data.value.receivingStatus = e.value[0]
  receivingStatusPicker.value.close();
}

const goodsCartNumList = ref([])


const setCartNum = (goods, index, type) => {
  if (type === 0) {
    // -
    if (goodsCartNumList.value[index] <= 1) {
      goodsCartNumList.value[index] = 1
    } else {
      --goodsCartNumList.value[index]
    }
  } else {
    console.log(goodsCartNumList.value[index], goods.cartInfo.cartNum, goodsCartNumList.value[index] >= goods.cartInfo.cartNum)
    if (goodsCartNumList.value[index] >= goods.cartInfo.cartNum) {
      goodsCartNumList.value[index] = goods.cartInfo.cartNum
    } else {
      ++goodsCartNumList.value[index]
    }
  }
  handleOrderInfo()
}

const changeCartNumInput = (e, goods, index) => {
  const value = Number(e.detail.value)
  if (value <= 0) {
    goodsCartNumList.value[index] = 0
  } else if (value >= goodsCartNumList.value[index]) {
    goodsCartNumList.value[index] = goods.cartInfo.cartNum
  } else {
    goodsCartNumList.value[index] = value
  }
  handleOrderInfo()
}


const handleOrderInfo = async () => {
  const productDetails = goodsList.value.map((goods, index) => {
    return {
      goods: goods.cartInfo.productAttrUnique,
      number: goodsCartNumList.value[index]
    }
  })

  const option = {
    key: key.value,
    productDetails
  }
  const res = await applyForAfterSalesInfo(option)
  orderInfoData.value = res
  goodsList.value = res.filter(item => goodsSelect.value.includes(item.cartInfo.productAttrUnique))
  if (goodsCartNumList.value.length < goodsList.value.length) {
    goodsCartNumList.value = goodsList.value.map(goods => goods.cartInfo.cartNum)
  }

  let price = 0
  let integral = 0
  let productParamList = []
  goodsList.value.forEach((item, index) => {
    price += item.refundablePrice * goodsCartNumList.value[index]
    integral += item.refundableIntegral * goodsCartNumList.value[index]
    productParamList.push({
      productId: item.productId,
      productAttrUnique: item.cartInfo.productAttrUnique
    })
  })

  totalPrice.value = price.toFixed(2)
  totalIntegral.value = integral.toFixed(2)
  data.value.orderId = res[0].orderId
  data.value.serviceType = refundType.value
  data.value.productParamList = productParamList
}


const handleApplyForAfterSales = async () => {
  if (!data.value.receivingStatus && refundType.value === 1) {
    uni.showToast({
      icon: "none",
      title: '请选择货物状态',
      duration: 2000
    });
    return
  }
  if (!data.value.reasonForApplication) {
    uni.showToast({
      icon: "none",
      title: '请选择申请原因',
      duration: 2000
    });
    return
  }
  if (!data.value.applicationInstructions) {
    uni.showToast({
      icon: "none",
      title: '请选择申请说明',
      duration: 2000
    });
    return
  }
  data.value.receivingStatus = data.value.receivingStatus === '未收到货' ? 0 : 1
  // 设置退货数量
  data.value.productParamList.forEach((item, index) => {
    item.number = goodsCartNumList.value[index]
  })

  const res = await applyForAfterSales({
    ...data.value,
    applicationDescriptionPicture: list.value.map(v => {
      return v.url
    }).join(',')
  })
  toast({
    title: '申请成功，请等待审核'
  })
  push({url: '/pages/refundInfo/refundInfo'}, {
    type: 'redirectTo',
    data: {
      id: res,
    },
  })
}

const key = ref('')
onLoad((options) => {
  const params = getParams(options)
  key.value = params.id
  handleOrderInfo()
  goodsSelect.value = params.goods
  refundType.value = params.refundType
})


</script>

<style lang="scss">
.shopping-checkbox {
}

.shopping-action {
  padding-left: 34rpx;
  flex: 1;
  display: flex;
  justify-content: space-between;

  &-checkbox {
    flex: 1
  }

  &-total {
    line-height: 48rpx;
    font-size: 34rpx;
    color: #333333;
    margin-right: 10rpx;
  }

  &-btn {
    width: 224rpx;
  }
}

.p-20 {
  padding: 20rpx;
  box-sizing: border-box;
}

// 商品SKU 数量等操作条
.goods-options {
  width: 100%;

  .sku-row {
    margin-bottom: 30rpx;

    .sku-info {
      @include usePadding(10, 4);
      border: 1rpx solid #ccc;
      border-radius: 5rpx;
      font-size: 24rpx;
      transition: all .3s;
      max-width: 100%;


      .info {
        width: 100%;
        white-space: nowrap;
        text-overflow: ellipsis;
        overflow: hidden;
      }

      &:active {
        scale: 1.1;
      }

      .icon {
        margin-left: 15rpx;
      }
    }
  }

  .price-row {
    width: 100%;

    .price-box {
      font-size: 30rpx;
      color: $primary-color;

      .old-price {
        font-size: 20rpx;
        color: $tips-color;
        text-decoration: line-through;
        margin-left: 10rpx;
      }
    }


    .cart-num {
      font-size: 24rpx;

      .input {
        width: 120rpx;


        input {
          width: 100%;
          text-align: center;
          color: #333;
        }
      }

      .button {
        font-size: 32rpx;
        width: 34rpx;
        aspect-ratio: 1/1;
        border-radius: 5rpx;
        border: 2rpx solid #cccccc;
        box-sizing: border-box;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all .3s;

        &:active {
          scale: 1.2;
        }
      }
    }
  }
}
</style>
